The Rocket Pocket features an aerodynamic shape and a super smooth low skin friction exterior that reduces drag. Features: Tapered aero design features a 72 degree front that fits tight up against the stem Non-slip surfaces underneath and on the front of the bag redudes bag movement Silver colored interior makes it easy to find contents and features a stretch mesh pocket small items Proprietary insulation material at the sides to keep items cool Extra long front straps allow bag to be attached to bikes with cables entering the top tube behind the headset Non-slip rubber zipper pull for easy one-hand operation Can be mounted behind stem or seatpost Easily holds a bar and 4 gels Specifications: Pack Type: Top Tube Bag Pack Capacity: 0.36L Mount: Hook & Loop Straps Waterproof: No Material: Nylon Dimensions: 6.3 x 3.3 x 1.5" (Length x Height x Width) Color: Black Weight: 54g Note: Nutrition products shown in picture are for illustrative purposes only, and are not included.